Use critical values to test the null hypothesis H0 1 2 20 versus the alternative hypothesis H0 1 2 20 by setting equal to 10, 05, 01, and 001 How much evidence is there that the difference between 1 and 2 exceeds 20

Question: Use critical values to test the null hypothesis H0: 1 2 20 versus the alternative hypothesis H0: 1 2 > 20 by

Use critical values to test the null hypothesis H0: μ1 – μ2 ≤ 20 versus the alternative hypothesis H0: μ1 – μ2 > 20 by setting α equal to .10, .05, .01, and .001. How much evidence is there that the difference between μ1 and μ2 exceeds 20?

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